Patent attorneys

Patent Attorneys

Tadayoshi Yoshida
Patent Attorney / President Tadanori YOSHIDA [specific infringement lawsuit counsel]

I hope to meet your intellectual property planning and utilization needs from my experience as a corporate engineer and in business strategy enforcement, my knowledge of civil law and intellectual property law that I gained at graduate school, and my experience as a patent attorney. I would appreciate your guidance.

Profile

Mr. Tadanori Yoshida received his M. S. from Department of Chemistry, Faculty of Science and Engineering, Waseda University.
He joined Hitachi, Ltd., where he was engaged in research and development of semiconductor manufacturing device and process at its Semiconductor Division.
He left Hitachi Ltd. in 2002, because he wanted to try a new field (Intellectual Property). He entered Graduate School of Law, Waseda University and majored in Civil Code and Civil Procedure Law there. He has written "Claim analysis in patent infringement lawsuits" in the Takabayashi laboratory.
In 2004, he was admitted to practice as a Japanese Patent Attorney, and he worked as a patent attorney in a patent firm in Tokyo from 2005 to 2011.
In 2011, he started DORAIT IP Law Firm.
His main fields of technical expertise include semiconductor devices, processes, and circuits, Nano-technology, materials, chemistry, law, contracts (negotiations), and litigations.

Activities
  • 2009: Chairperson, Patent Committee, Japan Patent Attorneys Association
  • 2013: Executive, Japan Patent Attorneys Association
  • 2005-2011: Lecturer, Niigata University ("Startup strategy 101")
  • 2016-: Lecturer, Tohoku University ("Semiconductors and intellectual property rights")
Yasuko YOSHIDA
Patent Attorney Yasuko YOSHIDA

I am committed to meeting all of your needs, from unearthing inventions to acquiring robust rights, based on my experience of semiconductor technology development in the Semiconductor Division, Hitachi, Ltd. and as a Japan Patent Office examiner.

Profile

Ms. Yasuko Yoshida received her B. S. from Department of Physics, Faculty of Science in Ochanomizu University (Tokyo, Japan). She joined Hitachi, Ltd., where she was engaged in research and development of semiconductor memory devices and manufacturing process at its Semiconductor Division.
In 2008, She was admitted to practice as a Japanese Patent Attorney, and she entered the Japan Patent Office and was involved in patent examination practices regarding technologies including semiconductor devices (Semiconductor Division, Third Patent Examination Department), and electrochemical batteries, conductive materials, etc. (Metals and Electrochemistry Division, Third Examination Department).
In 2015, she joined DORAIT IP law firm.
Her main fields of technical expertise include semiconductor devices, processes, and circuits, nano-technology, batteries, and materials.

Patent Attorney Hiromitsu IMAEDA [specific infringement lawsuit counsel]
Profile

Mr. Hiromitsu Imaeda received his B. S. from Department of Precision Mechanics, School of Engineering, Tokyo Denki University.
He was admitted to practice as a Japanese Patent Attorney in 2006.
He worked as an engineer of a control equipment manufacturer and a patent engineer/patent attorney till he joined DORAIT IP law firm in 2011.
His main fields of technical expertise include machinery, materials, semiconductors, design, litigations.

Patent Attorney Hiroaki UMEMURA [specific infringement lawsuit counsel]
Profile

Mr. Hiroaki Umemura received his B. S. from Department of Materials Engineering, School of Engineering, Tokyo Denki University.
He was admitted to practice as a Japanese Patent Attorney in 2006.
He worked as a patent engineer/patent attorney till he joined DORAIT IP law firm in 2011.
His main fields of technical expertise include Electricity, machinery, materials, semiconductors, software, trademarks, litigations.

Kouhei HORIKIRI
Patent Attorney Kouhei HORIKIRI [Ph.D.]
Profile

Dr. Kohei HORIKIRI
Kohei Horikiri received his Ph. D. in Engineering from Keio University (Yokohama, Japan).
He was an Assistant Professor, Department of Applied Physics and Physico-Informatics, Faculty of Science and Technology, Keio University, from 2008 to 2009. He had worked in domestic patent firm from 2010 to 2011.
He was admitted to practice as a Japanese Patent Attorney in 2012.
He joined DORAIT IP law firm in 2013.
He has an experience relating to Physics field (mainly thin films and magnetic materials), measurement technology.

Patent Attorney Masako KAWAMURA [Ph.D.]
[specific infringement lawsuit counsel]
Profile

Dr. Masako KAWAMURA
Masako Kawamura received her Ph. D. in Physics from Ochanomizu University (Tokyo, Japan).
She was a postdoctral fellow at Yukawa Institute for Theoretical Physics (Kyoto, Japan).
She was admitted to practice as a Japanese Patent Attorney in 2010.
She worked as a patent engineer/patent attorney in various patent firms in Tokyo from 2000 to 2017 and joined DORAIT IP law firm in 2018.
She is experienced in preparing and prosecuting domestic and foreign patent applications relating to medical devices, optical devices, communication devices, computer hardware, software, and business methods.

Patent Attorney Michiko SHINODA
Profile

Ms. Michiko Shinoda received master’s degree from Department of Chemistry, Graduate School of Science, Kyoto University.
She joined the Japan Patent Office, wherein she was engaged in patent examination in the divisions of metal and inorganic chemistry in the Fourth Patent Examination Department.
Thereafter, she joined some patent firms in Tokyo and engaged in patent matters.
Her main fields of technical experties include chemistry in general, specifically, inorganic chemistry, organic chemistry and polymers, as well as medicines, pharmaceuticals and devices for chemical plants.

Message
I have engaged for several ten years in preparing specifications and prosecuting domestic and overseas patent applications particularly in the fields of chemistry. It will be grateful if I can help you for obtaining patents in Japan as well as in foreign countries.
Patent Attorney Yoshinori MORITA
Profile
Academic history
1992: Department of Electronics and Communication, Faculty of Science and Engineering, Waseda University
1994: M.Sc., Department of Electrical Engineering, Graduate School of Science and Engineering Waseda University
1997: Completed Ph.D program without a Ph.D. degree, Graduate School of Science and Engineering Faculty of Science and Engineering, Waseda University
Career
1997: Multiple patent law firms
Technological expertise
Multiple fields, including electronics, mechanical engineering and systems
Message
I hope to file patents efficiently and effectively for entrepreneurs and business people who believe their inventions can change the world. Intellectual property is useful for startups and businesses in acquiring funds. I will do my best to prepare an environment for future generations to help them realize their dreams.

Advisors

Katsuhiko KUBOTA
Profile
Education
M.Sc., School of Engineering, the University of Tokyo
Visiting Fellow, Cornell University
Career
Dept. Manager, Process Technology Development Dept., Semiconductor Group, Hitachi Ltd.
Senior Chief Engineer, Renesas Electronics Corporation
Engineering Fellow, SanDisk Ltd.
Technological expertise
Semiconductor technology, reliability physics, deep learning
Patent Attorney Yasuhiro SUZUKI [specific infringement lawsuit counsel]
Profile
Education
M.Sc., School of Engineering, the University of Tokyo
Career
Director, Software Development Laboratory-Yamato, IBM Japan
Vice President, International Division of a major patent corporation
Technological expertise
IT, machinery, electricity, manufacturing, architecture, international cases (from inside-out and outside-in), international licensing, intellectual property management consulting (intellectual property consulting to management)

Administrative staff

We have a robust administrative structure, centered on staff with domestic and overseas administrative coordination experience at a major patent firm with over 1,000 patents filings a year.

Contact us

If you have any inquiries about filing patents, patent trials, lawsuits, appraisals and studies, please contact us by phone, FAX, or email using the form below.

  • +81-3-5909-1072
  • +81-3-5909-1073 FAX